/**
 * 
 */
package com.xbang.attendance.service;

import com.xbang.core.service.BaseService;

/**
 * @author dev.zhang
 * 
 */
public interface UserManagerService extends BaseService {

	/**
	 * 用户名是否重复
	 * 
	 * @param userName
	 * @return
	 * @throws Exception
	 */
	boolean isDuplicateByUserName(String userName) throws Exception;
}
